diff --git a/units/en/_toctree.yml b/units/en/_toctree.yml
index 040e10a..6244fce 100644
--- a/units/en/_toctree.yml
+++ b/units/en/_toctree.yml
@@ -157,7 +157,7 @@
   - local: unit6/advantage-actor-critic
     title: Advantage Actor Critic (A2C)
   - local: unit6/hands-on
-    title: Advantage Actor Critic (A2C) using Robotics Simulations with PyBullet and Panda-Gym 🤖
+    title: Advantage Actor Critic (A2C) using Robotics Simulations with Panda-Gym 🤖
   - local: unit6/conclusion
     title: Conclusion
   - local: unit6/additional-readings